Boundary Atlas

ZIP code 18017: Bethlehem, PA

ZIP code 18017 is in Bethlehem (59% of residents) and Freemansburg (7.2%), in Northampton County (97%) and Lehigh County (3.0%), Pennsylvania. 34% of its residents live outside city limits. It is in Pennsylvania's 7th congressional district. Its state senate districts are State Senate District 18 (66%) and State Senate District 14 (34%); its state house districts are State House District 135 (80%), State House District 136 (7.2%), State House District 137 (5.3%), State House District 183 (4.7%) and State House District 133 (3.0%).

39,663residents (2020 Census)
16.8 sq miland area
2cities and towns
1congressional district
23voting precincts

See it on the mapAll of Pennsylvania

City and county

City or townShare of ZIP residents
Bethlehem59%
Freemansburg7.2%

CountyShare of ZIP residents
Northampton County97%
Lehigh County3.0%

Town or county subdivisionShare of ZIP residents
Bethlehem city56%
Hanover township29%
Freemansburg borough7.2%
East Allen township4.7%
Bethlehem city3.0%

Congressional district

Congressional districtShare of ZIP residents
Pennsylvania's 7th congressional district (PA-07)100%

Elected officials

OfficeMemberContactShare of residents
MayorJ. William Reynolds610-865-710059%
U.S. Representative (PA-07)Ryan Mackenzie (R)202-225-6411100%
U.S. SenatorDavid McCormick (R)202-224-6324 · contact formstatewide
U.S. SenatorJohn Fetterman (D)202-224-4254 · contact formstatewide
State Senator (State Senate District 18)Lisa Boscola (Democratic)610-250-562766%
State Senator (State Senate District 14)Nick Miller (Democratic)610-821-846834%
State Representative (State House District 135)Steve Samuelson (Democratic)610-867-389080%
State Representative (State House District 136)Bob Freeman (Democratic)610-253-55437.2%
State Representative (State House District 137)Joe Emrick (R)484-544-01465.3%
State Representative (State House District 183)Zach Mako (R)610-502-27014.7%
State Representative (State House District 133)Jeanne McNeill (Democratic)610-266-12733.0%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1866%
State Senate District 1434%

State house districtShare of ZIP residents
State House District 13580%
State House District 1367.2%
State House District 1375.3%
State House District 1834.7%
State House District 1333.0%

Voting precincts

23 voting precincts overlap ZIP 18017. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:18017")

ZIP 18017 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.